For the orthographic projection as a map projection, see Orthographic projection in cartography. For mathematical discussion in terms of linear algebra, see Projection (linear algebra).
Bullfrogs are the largest real frog found in North America, weighing up to 0.5 kg and measuring 460 mm in length. Their average length is 100-175 mm. Their color varies from brownish to shades of green, often with spots or blotches of a darker color around their backs. Their back feet are fully webbed.
[NB:Depending on what type of bullfrog you're talking about the genus will be different, Australian bullfrogs are Limnodynastes, African bullfrogs are Pyxicephalus etc. But the most common bullfrog in Europe and North America is the American Bullfrog Rana (or Lithobates, see below) catesbeiana].onfidence votes 119. Phylum is quite a high taxonomic classification, bullfrogs are, like birds, mammals, fish and reptiles, in the phylum Chordata. If however you were referring to their classification at progressively lower scales it would be: